Meter-gland.



D.. R. YARNALL.

METER GLAND.

APPLICATION FILED MAY 27. 1913.

Patented Nov. 21, 1916.

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DAVID ROBERT YARNALL, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO YABNALL-VIARING CGMIPANY, OF- PHILADELPHIA, PENNSYLVANIA, A COR- PGRATION F PENNSYLVANIA.

METER- GLAN D.

Specification of Letters Patent.

original application filed April 1, 1912, Serial No. 687,630. Divided and this application filed May 27, 1913. Serial No. 7fi0,134.

a a it lmovan that i DAVIE YAR- citizen of the United States, residing at 316 Preston street, Philadelphia, in the countv of Philadelphia and State of Pennsylvania, have invented a certain new and useful Meter-Gland, of which the following is a specification.

The purpose of my invention is to secure oilseal and lubrication for a float rod gland whether subjected to pressure conditions or not.

A further )urpose of my invention is to provide a selt-alining gland for a float rod, permitting the rod and float automatically to reach an accurate vertical position as free as possible from lateral strain upon the rod and gland.

I have preferred to illustrate my inven-' tion by one form thereof which I have found to be simple, eflicient and relatively inexpensive and which well illustrates the principles of my invention.

Figure 1 is a vertical longitudinal section of a preferred construction embodying my invention. Fig. 2 is'an enlarged section of a portion of the structure in Fig. 1 showing the gland preferred by me. Fig. .3 is a broken vertical section of a modification of one or the glands in Fig. 2.

Like numerals of reference indicate corresponding parts in the drawings.

This application is a division of my ap plication for fluid meter, filed April 1,1912, Serial No. 687,630.

lVhile my invention relates particularly to gland construction, its advantages are so well illustrated in connection with the weir float construction shown in the application of which this is a division, that I have substantially repeated the illustration of Fig. 1 of said application, in which the tank 1 is divided into weir chamber 2, float cham-.

' her 3 and storage chamber 4. The baffle plate 5 prevents surging at the pointflwhere the water from supply pipe 7 passes over the weir. The float 8, weighted at 9, is connected through rod 10 to rack 11, carrying an indicator 12 and meshing with a gear 13, by which drum 1% is operated. The guide 15 moves arm 16 and through it recording finger 17, across drum 18, probasin by the pump is provided through pipe 20, with control of inlet water to make the inlet and flow proportionate to the rate. of withdrawal by means of float 21 upon lever arm 22 connected to rod 23. The latter operates through a stuffing box 24, 'so that the movement of the float is translated into rod rotation without losing the pressure conditions within the tank.

The rod 23 is provided at any desired point with a lever arm 25 which controls a valve in the intake 7 by means of rods 26 and 26 and arm 27. Any suitable turn buckle 28 provides for adjustment of the relative positions of these parts to set the valve for any height of storage water desired. Pipe 7 is shown as leading from an open feed water heater 29.

It is -diflicult to construct a float accurately enough for its center of rotation in the water or for its center of flotationto he exactly within the axis of the float.

Patented Nov. '21, 1916. V

rod. For this, as well as other reasons, the

rod connecting with the float frequently presses against the gland by which it is packed at the point of leaving a pressure tank and this binding takes place notwithstanding great care in the placing of the gland. In order to permit the float to set itself and, so far as possible, remain in the position set with the least lateral binding eflect of the rod upon the gland, I provide a gland packing which is laterally movable in any direction within a plane perpendicular to'the rod and 1 seal this movable gland packing with oil to gain several advantages, of oil seal therefrom, lubrication of the rod where it passes through the gland packing, and lubrication and filling of the packing material within the gland box.

In the form shown, the rod 10 passes Y freely through the space 30 in a box 31, re-

tained in any suitable manner as by screws tions; bringing pressure upon the packing, and holding the sealing and, preferably, lubricating liquid. cup, like that at 30 in the box, is also considerably larger than the rod and the cup is preferably oil filled with a heavy oil at 36. I have obtained the best results with cylinder oil and have found that cotton waste in the oil, as at 37, assists in preventing evaporation of the oil and acts as a wick to maintain lubrication of the rod for a greater length of time than would be the case with oil alone. In Fig. 3 l have shown oil Without the waste.

In the best form of my invention 1 place rubber packing 38 and 39 within box 31 and against the bottom of the box and under surface of the cap 3-l, respectively, placing plates 40 and a1 next to these rubber sheets and filling the space between these two plates with any suitable number of sheets, here shown as disks of felt or similar material 4:2, soaked in a mixture of graphite and oil. Other arrangements of the parts, materials and impregnation would secure a part, at least, of the benefit of my invention. Obviously, the number of plates ll) and all may be varied within the judgment of the user to get the best results for the materials, character of oil and pressure used.

T he pressure of the cap upon the content within the box 31 maybe adjusted in each different application of my invention to correspond to the permissible friction against lateral movement of the sheets or disks, the character of oil seal used and other conditions determined by the exact design used and the judgment of the engineer. The body of oil within the cap itself constitutes a fluid seal and maintains the desired saturation of the disks of felt or other fibrous material and their proper lubrication against the plates ant against the rod. ()rdinarily the friction would be less between the plates and the rubber disks than between the plates and the felt, with the result that, if the gland be not in proper alinement with the rod, there will be movement of the entire groupbetween and including the plates until this adjustment has been secured.

I have obtained excellent results with this construction under different pressure conditions within the tank. I have tested it with a vacuum, such as is present when the meter is connected with a condenser or vacuum pans, and the pressure above atmospheric pressure existent when the meter was connected With an open feed water heater.

1 have illustrated a well-known type of anti-vapor gland located within the bottom of the recorder box and comprising a base plate i3 and movable cap all, resting upon the bottom of the case. The rod 10 passes The opening in the through this gland and is conn recordiig mechan by or L Q The inlet 53 for the float tank terminates in a screen 5e and is valved at The valve is operated by wheel 56 and rod 5?. T passes through the gland o trate an adjustable pin 59 seated in bracket e 61 level with the bottom of the weir. The peep hole 62 is opposite this hand hold-.63, man hole 6% and are conveniences.

Vacuum or pressure conditions accoininodated by safety valve 66. weigh at 6'? upon arm 68, by vacuum break 69 in the form of a simple flap valve and by a thermostatic valve 70.

it will be evident that this gland will be useful in other localities than ITlQbGl" construction where the conditions of use are such as to render it advantageous.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:

1. In a device of the character a box, a float rod vertically movable therein, packing of fibrous material surrounding the float rod and free to move laterally ii the box, plates of hard material upon opposite sides of the packing material, also free to move laterally in the box, and a. cupped cap screwing into the box and pressing the plates and fibrous material.

2. in a device of the character st-ttedya gland box, a rod passing through the bi sheets of fibrous material and plates on epposite sides thereof, all surrounding the-rod and capable of lateral movement in the a rubber sheet above the upper pla and cover for the box adapted to press theruh ber sheet, plates and packing together.

3. in a device of the character stated, a gland box, a sheet of rubber in the bot-tom thereof, a rod passing through tlie rubber and box, a sheet of hard material above the rubber, packing above the hard material, a sheet of hard material above the pac ring and an oil-receiving cup adapted to engage the sides of the box and force the hard material, packing and rubber together.

4. In a device of the character stated, a gland box, a plurality of parallel fibrous disks in said box and in contact with each other and free to move laterally. plates upon opposite sides of said disks adapted to rip n 1 b the disks between them, a rod passing 1 through the disks and plates, a cap for box adapted to bring pressure upon 12 plates and disks and oil in said cap about said rod.

DAVID ROBERT YARN Witnesses HELEN l. Kaurriuan,

VIM. STEELL Jackson. 

